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Top Consulting Firms in Belfast (39)

Nisos
Artificial Intelligence • Security • Business Intelligence • Consulting • Cybersecurity
2 Offices
70 Employees
109 Benefits
Unmask adversaries. Protect against human risk and digital threats.

Nisos is a human risk intelligence and managed investigations company that protects organizations and their people from human-driven and digital threats by operating as an extension of their security, intelligence, and legal teams. It leverages a team of expert analysts, specialized in open-source intelligence and adversary tradecraft, to provide actionable intelligence that addresses complex risks like executive threats, insider fraud,...

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Nisos

Nisos's Top Stability & Growth Strengths

Strong Revenue Growth: Company-reported metrics indicate monthly revenue doubled over 24 months and subscription revenue increased fourfold within 12 months. Net revenue retention reached 100% in 2023, signaling expansion of recurring relationships.

Investor Backing & Capital Strength: The business secured a $14M Series C in July 2025, bringing total disclosed funding to roughly $41.7M across five rounds. Independent industry tracking in 2025 also records the round, indicating continued access to institutional capital.

Product Line Growth: The 2025 launch of the Ascend human‑risk platform and subsequent modules reflect expansion beyond managed‑intelligence services into a broader platform offering. Current positioning spans executive protection, insider‑threat intelligence, employment‑fraud detection, third‑party intelligence, and digital exposure monitoring.

SITA
Information Technology • Consulting
21 Offices
7,798 Employees
33 Benefits

Travel fuels the world today. Connecting us all. Building a better quality of life, and propelling our global economy. Since the start, we’ve made it our lifework to build solutions that help every airline and every airport across the world. We made check-in easier. We let pilots talk to ground control. We delivered better ways to track down lost...

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SITA

SITA's Top Stability & Growth Strengths

Strong Market Position & Advantage: Global reach is positioned as a core strength, including a communications backbone with worldwide coverage and very high availability, plus entrenched platforms like WorldTracer in baggage operations. Segment leadership is described as clearest in air‑transport communications infrastructure, baggage irregularity management, and common‑use/passenger processing where deployments are widespread.

Strong Revenue Growth: Revenue is described as rising for two consecutive years, reaching record results through 2023 and 2024 with growth across major business lines and geographies. Momentum is framed as broad-based rather than limited to a single segment.

Innovation-Driven Growth: Investment in R&D and a stated focus on product innovation are highlighted as contributors to recent momentum. Acquisitions such as Materna IPS and ASISTIM are portrayed as capability additions that expand the end‑to‑end passenger and operations portfolio.

ByrneLooby
Professional Services • Consulting • Design
10 Offices
224 Employees

ByrneLooby is an international consulting engineering practice providing civil engineering design and advisory solutions for challenging infrastructure projects. Headquartered in Dublin, the firm works across building, environment, transport, port, waste management, water and energy sectors. Its services support large-scale projects and infrastructure development for clients across Europe, Ireland, the UK and the Middle East, combining engineering expertise with practical, value-focused...

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ByrneLooby
SciLeads
Information Technology • Marketing Tech • Sales • Consulting
2 Offices
79 Employees
Hiring Now

SciLeads is an innovative sales and marketing intelligence platform for scientific companies. We enable greater sales by providing companies with instant access to highly relevant prospect and market information.

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SciLeads
Peninsula Canada
HR Tech • Business Intelligence • Consulting
6 Offices
238 Employees
3 Benefits

Peninsula is a worldwide trusted small business advisor. We help small businesses in Canada, the UK, Ireland, Australia, and New Zealand, taking care of the details and leaving you free to see the big picture, all for a fraction of the cost of most professional service providers, thanks to our affordable membership options. When you run a small business, the...

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Peninsula Canada
Everbridge
Information Technology • Software • Consulting
28 Offices
1,437 Employees
34 Benefits Hiring Now

Keeping People Safe and Businesses Running. Faster. Everbridge, Inc. (NASDAQ: EVBG) is a global software company that provides enterprise software applications that automate and accelerate organizations’ operational response to critical events in order to Keep People Safe and Businesses Running™. During public safety threats such as active shooter situations, terrorist attacks or severe weather conditions, as well as critical business events...

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Everbridge

Everbridge's Top Stability & Growth Strengths

Strong Market Position & Advantage: Everbridge is positioned as a category leader in critical event management and mass notification, supported by independent analyst recognition and a sizable installed base in government and public safety. National-scale public warning deployments across multiple countries further reinforce perceived leadership in high-stakes, large-scale use cases.

Investor Backing & Capital Strength: The take-private acquisition by Thoma Bravo at a multi-billion-dollar valuation signals continued investor conviction in the business and its market category. Private-equity ownership also implies access to capital and operational support to fund product investment and go-to-market execution.

Innovation-Driven Growth: Ongoing platform updates (Everbridge 360 and High Velocity CEM) and patent activity around AI-enabled crisis response indicate sustained product innovation. Expanded integrations and managed-services motions suggest efforts to translate roadmap velocity into broader adoption.

Kyndryl
Cloud • Information Technology • Consulting
16 Offices
46,070 Employees
30 Benefits

We have the world’s best talent that design, run, and manage the most advanced and reliable technology infrastructure each day. Together, we think holistically about the health of these vital technology ecosystems. We are a focused, independent company that builds on our foundation of excellence by creating systems in new ways. Bringing in the right partners, investing in our business, and...

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Kyndryl

Kyndryl's Top Stability & Growth Strengths

Profitability: Results indicate a swing to pretax profitability with strong year-over-year improvements in EBITDA and guidance pointing to continued earnings and free‑cash‑flow growth.

Strategic Partnerships: Alliances with major hyperscalers are scaling rapidly, with partner‑tied revenue more than doubling and management signaling momentum toward stated targets.

Strong Market Position & Advantage: Recognition as a Leader by major analyst firms in data center outsourcing, digital workplace, managed cloud operations, and mainframe services, combined with global scale, supports a strong position in mission‑critical infrastructure.

EXL
Information Technology • Database • Consulting
35 Offices
30,246 Employees
20 Benefits

Choosing a digital partner is about more than capabilities — it’s about collaboration and character. Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments. At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most...

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EXL

EXL's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue is expanding at a double-digit pace across 2025 and the first half of 2026, and the company raised its 2026 outlook to mid-teens growth. Feedback suggests momentum is reinforced by consistent quarterly acceleration and new client additions.

Profitability: Earnings are outpacing revenue, with strong adjusted EPS gains and solid high‑teens adjusted operating margins. Feedback suggests disciplined execution is helping sustain margin strength alongside growth.

Innovation-Driven Growth: Data‑ and AI‑led services are the principal engine, rising to a majority of revenue by early 2026 and supported by continued investment and the planned iMerit acquisition. Industry evaluations citing leadership in data/AI and insurance-focused operations suggest differentiated capability.

AAB
Professional Services • Consulting • Financial Services

AAB delivers Audit, Accounting, Tax, Payroll, HR, Consulting, and Advisory Solutions globally from its offices in the United Kingdom and Ireland.

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AAB

AAB's Top Stability & Growth Strengths

Strong Revenue Growth: Feedback suggests revenue has surpassed key milestones, including exceeding £100 million and scaling to over £200 million following the combination with Kreston Reeves.

Strategic Partnerships: Feedback suggests major combinations and acquisitions, including Kreston Reeves and GS Verde, have expanded scale and capabilities across 23 locations.

Investor Backing & Capital Strength: Feedback suggests backing from Goldman Sachs Alternatives has provided capital to accelerate acquisitions, talent investment, and technology initiatives.

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Marsh McLennan
Fintech • HR Tech • Insurance • Consulting
35 Offices
78,000 Employees
37 Benefits Hiring Now

Marsh McLennan (NYSE: MMC) brings together nearly 78,000 experts in risk, strategy, and people across Marsh, Guy Carpenter, Mercer, and Oliver Wyman, serving clients in over 130 countries. Marsh enables enterprise worldwide by helping clients manage risks, transforming uncertainty into opportunity. Guy Carpenter helps clients grow profitably with reinsurance broking expertise, advisory services, and advanced analytics. Mercer helps organizations advance...

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Marsh McLennan

Marsh McLennan's Top Stability & Growth Strengths

Strong Revenue Growth: Revenue expanded across 2024–2025, including double-digit reported growth in 2025 alongside continued underlying growth, with quarterly updates showing consistent momentum.

Diversified Revenue Streams: The business mix spans insurance broking, reinsurance, human capital, and strategy consulting, which helps smooth performance across insurance pricing cycles and broader macro conditions.

Healthy Cash Flow: Cash generation strengthened versus the prior year alongside margin progress, and the company returned significant capital through share repurchases, indicating strong cash conversion and financial flexibility.

Visiativ
Information Technology • Professional Services • Software • Consulting
27 Offices
1,600 Employees
Hiring Now

Visiativ is a French technology and consulting group that helps businesses—particularly small and mid-sized companies—plan, implement, manage and monitor digital transformation and innovation. It delivers digital solutions and services spanning 3D CAD/product development, product lifecycle management, business-process automation and enterprise systems, while providing assessment, implementation, training and ongoing support to improve competitiveness, productivity, collaboration and business performance worldwide.

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Visiativ
AECOM
Consulting
36 Offices
51,000 Employees
39 Benefits Hiring Now
We are the trusted global infrastructure leader.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design...

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AECOM

AECOM's Top Stability & Growth Strengths

Profitability: Feedback suggests profitability is strengthening with record margins and double‑digit EPS growth alongside guidance raises as of Q2 FY2026. Independent coverage also characterized the print as “record‑breaking performance,” reinforcing earnings momentum.

Resilient & Sustainable Growth: Feedback suggests underlying growth is durable, evidenced by a record and rising backlog with management raising full‑year guidance. Calendar and award‑timing headwinds are already embedded in outlook, indicating resilience despite near‑term noise.

Strong Market Position & Advantage: Feedback suggests AECOM’s consistent top industry rankings and global scale reinforce a competitive edge that supports demand capture. Recognition as the world’s top design firm in multiple sectors underpins its ability to win and retain large programs.

B-Secur
Information Technology • Consulting
Belfast
76 Employees

B-Secur is a heart health technology company. Founded in Belfast, Northern Ireland, we are on a mission to save and improve millions of lives each year by advancing heart health technology that brings greater clarity to EKG interpretation with better data and deeper insights. We spent many years immersed in deep scientific research in EKG biometric security. This led us...

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B-Secur
Phastar
Biotech • Consulting
3 Offices
399 Employees

Phastar is a specialist biometrics contract research organization offering statistical consulting, clinical trial reporting, data management and data science services by providing expert consultants and managing and delivering in-house projects, FSP-style arrangements and preferred partnerships. Our number one priority is ensuring on time, quality work: every project undertaken is supervised on methodology and utilizes internal processes designed to guarantee optimal...

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Phastar
Crossvale
Information Technology • Consulting
2 Offices
68 Employees
13 Benefits

We are an IT services company that provides solutions to companies of every size - from small companies to some of the largest global enterprises. Our specialties are: - Digital Transformation - Enterprise Architecture - RedHat OpenShift (PaaS) - RedHat OpenStack (IaaS) - Business Process Management - Service Oriented Architecture (SOA) - Integration - Cloud, Hybrid and On-Prem solutions - MEAN Stack (Mongo, Express, Angular Node) We have operations in USA,...

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Crossvale
PwC Greece
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
80 Offices
2,108 Employees
2 Benefits

At PwC our purpose is to build trust in society and solve important problems. We’re a network of firms in 155 countries with over 327,000 people who are committed to delivering quality in assurance, advisory and tax services. Find out more and tell us what matters to you by visiting us at www.pwc.com.

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PwC Greece
LanciaConsult
Marketing Tech • Consulting
4 Offices
87 Employees
Hiring Now

We are LanciaConsult, a fast growing business, technology and marketing consultancy serving clients around the world from our offices in Europe and Asia. We set up LanciaConsult in Singapore in 2012 as we were frustrated with the consultancy sector shifting from advisor to supplier. We felt that the pursuit of high revenue projects or large scale outsourcing meant that the solutions...

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LanciaConsult
Eliassen Group
Professional Services • Consulting
26 Offices
1,152 Employees
18 Benefits

Eliassen Group is a leading strategic consulting company that provides business, clinical, and IT services for our clients as they seek to transform and execute strategies that will drive exceptional outcomes. Leveraging over 30 years of success, we focus on clinical solutions, professional services, and talent solutions. Eliassen Group positively impacts the lives of our employees, clients, consultants, and the...

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Eliassen Group

Eliassen Group's Top Stability & Growth Strengths

Market Expansion: Acquisitions such as VIA Technical, SafeNet Consulting, and The Evanston Group broaden geographic reach and deepen technology and life sciences capabilities. Maintaining a national office footprint and adding presence in key regions signal deliberate growth in addressable markets.

Strong Brand Reputation: Industry accolades like repeated U.S. Best Managed Company honors and ClearlyRated Best of Staffing Diamond awards highlight sustained external validation of quality and performance. Recognition by sector publications and lists reinforces credibility within staffing and consulting niches.

Future-Ready Strategy: Emphasis on digital transformation, AI data services, cybersecurity, and cloud infrastructure points to proactive positioning for evolving client needs. Partnerships and platform integrations, including operational systems consolidation, are positioned to support scale and innovation.

Tata Technologies
Information Technology • Consulting
13 Offices
15,050 Employees
10 Benefits

We're a global product engineering and digital services company focused on fulfilling our mission of helping the world drive, fly, build, and farm by enabling our customers to realize better products and deliver better experiences. We’re the strategic engineering partner businesses turn to when they aspire to be better. Manufacturing companies rely on us to enable them to conceptualize, develop...

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Tata Technologies
PA Consulting
Consulting
21 Offices
5,289 Employees
8 Benefits Hiring Now

We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our diverse teams of experts combine innovative thinking and breakthrough technologies to progress further, faster. Our clients adapt and transform, and together we achieve enduring results. We are over 4,000 strategists, innovators, designers, consultants, digital...

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PA Consulting

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